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Class STBandCopier
Extends STTransformRaster
Handles copying bands between rasters. Can be used to extract bands from a
raster into a new raster or to insert a band from a raster into an existing
raster (insert).
Copyright, SchoonerTurtles LLP, 2009
@author Jim Graham
Static Functions
| Returns | Function | Throws |
|---|---|---|
| STRaster | ConvertToRGB(STRaster TheRaster) | Exception |
| STRaster | ExtractBands(STRaster TheInput,int[] SourceBands) | Exception |
Static Functions
STRaster ConvertToRGB(STRaster TheRaster) Exception
Converts a raster to an RGB image as follows:
- Grayscale: RGB bands all will contain the grayscale value
- Palette: Pixels are replaced with their RGB values from the palette
- 2 Bands: Red gets the first band while Blue and Green get the second
- 3 Bands: Red=band 1, Green=band 2, Blue=band 3
Parameters:
TheRaster - raster to convert to RGB
Returns: - a new RGB raster. The bounds and data type do not change
Throws: Exception
STRaster ExtractBands(STRaster TheInput,int[] SourceBands) Exception
Extract bands from an existing raster and puts them in a new raster. Examples
include pulling the red band from an RGB image, pulling the mask from an
RGBA image, etc.
Parameters:
TheInput - raster to extract bands from
SourceBands - Array of the band indexes into the input raster to exract for the